Loop of Destruction (LCKC-EN110)

This card's name becomes "Ring of Destruction" while on the field. Once per turn, if a monster(s) on the field is destroyed by a card effect (except during the Damage Step): You can target 1 monster on the field; destroy it, and if you do, each player takes 500 damage.

trap / Continuous, Legendary Collection Kaiba Mega Pack